81328372

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{2237}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 145693800

約数和(自身を除く): 64365428

約数列:

[1, 2, 4, 61, 122, 149, 244, 298, 596, 2237, 4474, 8948, 9089, 18178, 36356, 136457, 272914, 333313, 545828, 666626, 1333252, 20332093, 40664186, 81328372]

約数ペア:

[(1, 81328372), (2, 40664186), (4, 20332093), (61, 1333252), (122, 666626), (149, 545828), (244, 333313), (298, 272914), (596, 136457), (2237, 36356), (4474, 18178), (8948, 9089)]